Samsung Sdi Co., Inc.

Jan-Dee Kim

Jun-Won Suh

Da-Woon Han

Ho-Jin Kweon

Seung-Tae Lee

Sung-Hwa Eo

Jeong-Doo Yi

Sol Choi

Ju-Hee Sohn

Bong-Kyoung Park

Ju-Hyeong Han

Hyun-Hwa Song

Seok Min Kim

Seok-Hun Hong

Seong-Gi Choo

Young-Sun Kwon

Hye-Ri Eom

YongJu Jung

Jung-Yup Yang

Hee-Tak Kim

Ji-Seong Han

Jung-Gyu Nam

Sung-Yong Cho

Seong-Jin An

Jong-Ki Lee

Kyeu-Yoon Sheem

Yeong-Chan Eun

Hae-Kwon Yoon

Young-Mi Park

Jungyup Yang

A case for a rechargeable battery and a rechargeable battery including the case, the case including a sequentially deposited first resin layer and second resin layer, wherein the second resin layer includes a butyl-based resin.

Case for rechargeable battery and rechargeable battery comprising the same

A rechargeable battery according to another exemplary embodiment of the present invention includes an electrode assembly including a first electrode including a first electrode plate, a plurality of first electrode uncoated regions protruded from the first electrode plate, a base member, and a coupled member formed at at least one lateral side of the base member, a separator overlapping the first electrode, and a second electrode including a second electrode plate overlapping the separator, a plurality of second electrode uncoated regions protruded from the second electrode plate, a base member, and a coupled member formed at at least one lateral side of the base member, wherein a ratio of a thickness (T*2) of one of the coupled members to a thickness (T) of one of the base members is between about 3 and about 6.

Electrode assembly and rechargeable battery including the same

An electrode assembly wound by interposing a separator between a first electrode and a second electrode according to an exemplary embodiment of the present invention is disclosed, wherein the first electrode includes a first coating part coated with an active material and a plurality of first electrode taps that are not coated with the active material and protrude to an outer side of the first coating part, and two first electrode taps per the number of three winding times are formed so as to protrude from the first electrode.

Electrode assembly and rechargeable battery having electrode tap

A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly having a thickness and including a positive electrode and a negative electrode. The battery also includes a case accommodating the electrode assembly. The electrode assembly further includes a plurality of first electrode tabs protruding from the positive electrode and a plurality of second electrode tabs protruding from the negative electrode. The first electrode tabs have a width and are aligned in the thickness dimension of the electrode assembly. A distance TG between the first electrode tabs and the second electrode tabs satisfies the following equations: 1.2TW1&#x3c;TG&#x3c;6TW1 and TG&#x3e;5SW1, where TW1 is the width of the first electrode tabs and SW1 is the minimum distance between the first electrode tabs and a lateral end of the electrode assembly.

Rechargeable battery having case

A flexible rechargeable battery includes: a first conductive substrate; a second conductive substrate facing the first conductive substrate; and a sealant at edges of the first conductive substrate and the second conductive substrate. The first conductive substrate includes a first resin layer, a first barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from a first side of the flexible rechargeable battery. The second conductive substrate includes a third resin layer, a second barrier layer, a fourth resin layer, a second electrode current collector layer, and a second electrode coating layer that are sequentially stacked inward from a second side of the flexible rechargeable battery.

Flexible rechargeable battery

A battery includes a conductive substrate, the conductive substrate including a first resin layer, a barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from an outermost side of the battery, an exterior member disposed to face the conductive substrate, a sealing portion formed at edges of the conductive substrate and the exterior member, and at least one second inner electrode positioned between the conductive substrate and the exterior member and stacked using a separator as a border.

An electrolyte for a lithium battery for solid state drive backup power and a lithium battery for solid state drive backup power including the same, the electrolyte including a non-aqueous organic solvent; and a lithium salt, wherein the lithium salt includes LiBFand the electrolyte has a molar concentration of the LiBFof about 0.8 M to about 1.2 M.

Electrolyte for lithium battery for solid state drive backup power and lithium battery for solid state drive backup power including the same

A fuel cell including a plurality of tubular unit cells each including: a first electrode layer, an electrolyte layer, and a second electrode layer, stacked radially in a direction from a center axis to an outer region thereof; an internal current collector in an interior of the unit cell; and an external current collector arranged at an outer circumferential surface of the unit cell, the external current collector including a plurality of connecting portions configured to electrically connect between the unit cell and at least one another unit cell of the plurality of unit cells, and the connecting portions form two or more electrical paths between a unit cell of the plurality of unit cells and another unit cell of the plurality of unit cells.

Tubular solid oxide fuel cell including external current collector with plurality of connection portions

A fuel cell module and a method manufacturing the same that improves a contact structure of the inter-connectors to prevent gas leaks, thereby to improving the performance and the durability of the unit cell. The fuel cell module includes a plurality of inter-connectors, wherein at least one of the inter-connectors has a first face contacting a first electrode layer, a second face opposing the first face, and third and fourth faces connecting the first face to the second face, respectively, wherein at least a portion of the at least one of the inter-connectors also contacts an electrolytic layer, wherein a length of the first face of the at least one of the inter-connectors is 20% to 80% of a length of the second face.

Fuel cell module and method manufacturing the same

A tubular fuel cell module having improved current collecting efficiency. In one embodiment, the fuel cell module includes: a fuel cell unit; a first current collector extending along an outer side of the fuel cell unit; and a second current collector wound around the first current collector and around the outer side of the fuel cell unit. Here, the outer side of the fuel cell unit is a curved outer side, the first current collector has a curved inner side facing the curved outer side of the fuel cell unit, and the curved inner side of first current collector is shaped to match the curved outer side of the fuel cell unit.

Fuel cell module

A fuel cell stack includes a plurality of unit cells, bypass resistors, and connective resistors. The unit cells are connected in series and/or in parallel. The connected resistors are disposed between the unit cells connected in series and disconnected by heat due to resistance at a small current value in comparison to an current collector. The bypass resistors are connected in parallel to the unit cells or the unit cells connected in parallel.

Fuel cell stack

A solid oxide fuel cell. The solid oxide fuel cell includes a unit cell, which includes a first electrode layer, an electrolyte layer, and a second electrode layer that are sequentially laminated from an inner region to an outer region of the unit cell; and an interconnector electrically connected to the first electrode layer, exposed to outside of the unit cell, and electrically insulated from the second electrode. The solid oxide fuel cell further includes a first porous current collector on an outer surface of the second electrode layer; a first adhesive layer interposed between the first porous current collector and the second electrode layer; a second porous current collector on an outer surface of the interconnector; and a second adhesive layer interposed between the second porous current collector and the interconnector.

Solid oxide fuel cell and manufacturing method thereof

A manufactured fuel cell includes: a unit cell including a first electrode layer, an electrolyte layer surrounding an outer circumference of the first electrode layer, and a second electrode layer surrounding the electrolyte layer while exposing an end of the electrolyte layer; a plating layer around an outer circumference of the exposed electrolyte layer; a cell coupling member including a passage pipe inserted into the unit cell and forming a continuous passage from the inside of the unit cell, a coupling pipe provided outside of the passage pipe to form a space accommodating an end of the unit cell from the passage pipe, and a connecting unit connecting the coupling pipe with the passage pipe and restricting an insertion depth of the electrolyte layer and the first electrode layer; and a welding portion fixing and sealing the plating layer and an inner circumference of the coupling pipe with each other.

Fuel cell and manufacturing method of the same

The present invention relates to an electrode for a fuel cell containing a catalyst layer, a gas diffusion layer including a conductive substrate, and a micro-porous layer interposed between the catalyst layer and the gas diffusion layer and including a conductive material and a dispersant.

Electrode for fuel cell and fuel cell comprising same

The electrode for a fuel cell of the present invention includes a carbonaceous electrode substrate, a microporous layer formed on the surface of the electrode substrate with the microporous layer including a carbonized polymer, and nano-carbon formed on the surface of the microporous layer with a catalyst layer coated on the surface of the nano-carbon. Alternatively, an electrode for a fuel cell includes a carbonaceous electrode substrate in which carbon particles are dispersed, a nano-carbon on the electrode substrate with a catalyst layer on the surface of the nano-carbon.

Growing community of inventors

Yongin-si, South Korea

Jan-Dee Kim